Received: 15 July 2019
Accepted: 23 September 2019
First Online: 6 November 2019
Ethics approval and consent to participate
: Not applicable
: The manuscript has been read and its submission approved by all co-authors.
: CK received travel grants and lecture fees from Maquet, Rastatt, Germany. WW received fees for advisory board meetings and lectures from Maquet Cardiopulmonary, Rastatt, Germany. CK and WW received an open research grant for the hospital from Maquet Cardiopulmonary, Rastatt, Germany. DB reports serving as the co-chair of the trial steering committee for the VENT-AVOID trial sponsored by ALung Technologies; serving on the medical advisory boards for Baxter, BREETHE, and Hemovent (unpaid); and previously serving on the medical advisory board of ALung Technologies. SGH is half-time employed at enmodes GmbH Aachen. FH, JA, LV, and US declare that they have no competing interests.